--- ________ do you help your mother clean the house? --- Once a week.
#47256
A
How far
B
How long
C
How soon
D
How often
推荐题目
There are many _____ people in the world, they can’t see anything, but they never give up their dreams.
#44639
A
poor
B
young
C
blind
D
old
We are sure one day the air in Beijing will be much ______ than today.
#44269
A
clean
B
cleaner
C
cleanest
D
the cleanest
--What do you think of maths?--My favorite. It’s ______ for me to study of all the subjects in school.
#46646
A
more difficult
B
the most difficult
C
less difficult
D
the least difficult
She is a ________girl，and she does everything________．
#45041
A
careful; careful
B
carefully; carefully
C
careful; carefully
D
carefully; careful
Lucy felt on top of the world when she received the birthday present.
#44795
A
very excited
B
very lucky
C
very happy
D
very proud